Overhead stirrer OS20-S

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The Overhead Stirrer OS20-S is a high-quality laboratory equipment designed for efficient stirring of solutions. It features:

A brushless DC motor for long life and maintenance-free operation
A wide range of speed from 50 to 2200rpm
Safety circuits for safe stop function in anti-stall or overload conditions
Maximum stirring quantity of 20L
Maximum torque of 40N•cm
Maximum viscosity of 10000mPa•s

Overhead Stirrer OS20-S: High Performance Meets Safety

The Overhead Stirrer OS20-S is a top-of-the-line laboratory equipment designed to provide reliable and efficient stirring solutions. This device is powered by a brushless DC motor, ensuring long-lasting performance and minimal maintenance needs.

Superior Performance and Durability

The OS20-S Overhead Stirrer stands out with its high reliability and outstanding performance. It offers a wide range of speed from 50 to 2200rpm, ensuring that it can handle a wide range of laboratory applications. The brushless DC motor not only ensures a long life but is also maintenance-free and explosion-proof, providing peace of mind for users.

Safety and Convenience in One Package

Safety is a top priority with the OS20-S. It features safety circuits that allow for a safe stop function in anti-stall or overload conditions. The LED screen allows for monitoring of the actual speed, ensuring precise control over the stirring process.


The OS20-S Overhead Stirrer can handle a maximum stirring quantity of 20L and operates at a speed range of 50 to 2200rpm. It has a maximum torque of 40N•cm and can handle a maximum viscosity of 10000mPa•s. The device weighs 2.8kg, making it a compact yet powerful tool for your laboratory. It also features an overload protection display and a chuck range diameter of 0.510mm. The motor input power is 60W, and the motor output power is 50W. The device operates at a voltage of 100~240V, 50/60 Hz.

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